Design and analysis of a CNTFET-based potentiostat for bio medical sensing application

Habib Ahmad,Kazi Muhammad Jameel,Mohammad Shafquatul Islam,Arman Riaz Ochi,Rakibul Hafiz

Advances in Engineering and Technology Research（2014）

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摘要

This paper proposes a new design technique of a stable, low input impedance, high sensitivity, high gain and low-power Potentiostat using carbon nanotube FETs (CNTFETs) at 32 nm level that utilizes different input voltages for verifying voltage follower performance. The fully differential architecture suppresses the common mode interference. Extensive simulations have been performed to investigate the distribution of the power and delay of the CNTFET-based Potentiostat due to variations in the supply voltage and temperature of the CNTFETs. The CNTFET-based Potentiostat demonstrates that it tolerates the PVT (Process, Voltage, and Temperature) variations significantly better than its CMOS counterpart.

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关键词

biosensors,carbon nanotube field effect transistors,chemical variables measurement,operational amplifiers,c,cntfet-based potentiostat,pvt variations,bio medical sensing application,common mode interference,differential architecture,input impedance,process-voltage-temperature variations,voltage follower performance,cmos,cntfet,carbon nanotube field effect transistor,microelectrodes,potentiostat,precess variations

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